* { box-sizing: border-box; }
html { color-scheme: dark; }
body { margin: 0; background: #111820; color: #f4f2ed; font: 16px/1.6 Arial, sans-serif; }
a { color: inherit; text-underline-offset: 4px; }
header, footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 20px clamp(18px, 5vw, 72px); background: #0b1117; border-bottom: 1px solid #ffffff24; }
header { position: sticky; top: 0; z-index: 3; }
.brand { font-size: 24px; font-weight: 900; text-decoration: none; }
.brand span { color: #ff7665; }
nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }
nav a { display: inline-flex; align-items: center; min-height: 44px; }
main { max-width: 1380px; margin: auto; padding: clamp(36px, 6vw, 80px) clamp(16px, 4vw, 52px); }
.intro { max-width: 760px; margin-bottom: 52px; }
.eyebrow { color: #ff9c8f; font-size: 12px; letter-spacing: 2px; text-transform: uppercase; }
h1 { font-size: clamp(42px, 7vw, 82px); line-height: 1; margin: .25em 0; }
h2 { font-size: clamp(28px, 4vw, 48px); }
.gallery { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; align-items: start; }
.photo { padding: 0; border: 1px solid #ffffff20; border-radius: 8px; overflow: hidden; background: #1c252e; color: #fff; text-align: left; cursor: pointer; }
.photo img { display: block; width: 100%; height: auto; object-fit: contain; background: #252e36; }
.photo span { display: block; padding: 11px 13px; font-size: 13px; }
.source { margin-top: 28px; }
dialog { padding: 12px; border: 1px solid #ffffff35; background: #0b1117; color: #fff; max-width: 96vw; max-height: 96vh; }
dialog::backdrop { background: #030609e8; }
dialog img { display: block; max-width: 90vw; max-height: 78vh; object-fit: contain; }
dialog button { float: right; width: 44px; height: 44px; border: 0; background: #26333e; color: #fff; font-size: 28px; cursor: pointer; }
dialog p { margin: 10px 4px 0; }
footer { border-top: 1px solid #ffffff24; border-bottom: 0; font-size: 13px; }
.gallery-loading footer { display: none; }
.photo:focus-visible, a:focus-visible, button:focus-visible { outline: 3px solid #ff7665; outline-offset: 4px; }

@media (max-width: 900px) {
  .gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  header, footer { align-items: flex-start; flex-direction: column; }
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .photo span { display: none; }
  main { padding: 30px 10px 48px; }
  .intro { margin-bottom: 34px; }
  h1 { font-size: clamp(38px, 13vw, 58px); }
  h2 { font-size: 30px; }
}